1girl black_bow black_bowtie black_skirt black_thighhighs bow bowtie bra_visible_through_clothes breasts brown_eyes brown_hair button_gap cellphone highres holding holding_phone hotaka_mai indoors kazuma_(kazumav) large_breasts looking_at_viewer mask mouth_mask original phone shirt short_hair skirt solo thighhighs variant_set white_shirt zettai_ryouiki